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Home / Doubts and Solutions/NEET/Electronic Devices

in a p-n junction diode holes diffuse from p-region to n-region because?a-the free electron in n-region attract them,b-they are swept across the junction by potential difference,c-there is a greater concentration of holes in p-region as compared to n-region,d-none

Asked by amitjena226 26th January 2018, 1:16 PM
Answered by Expert
Answer:
Option B is the answer.
they are swept across the junction by the potential difference.
Applying potential difference decrease the width of the depletion region which assists in the flow of charge carriers across the barrier.
Answered by Expert 26th January 2018, 3:20 PM
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Explain with the help of a suitable diagram, the two processes which o ccur during the formation of a p-n junction diode. Hence define the terms (i) depletion region and (ii) potential barrier. (b) Draw a circuit diagram of a p-n j unction diode under forward bias and explain its working. (5M)
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